Convert Lumen per Square Inch to Lumen per Square Meter
Enter the number of lumens per square inch that you want to convert to lumens per square meter.
How to Convert Lumens per Square Inch to Lumens per Square Meter
The lumen per square inch and lumen per square meter are both units of illuminance. 1 lumen per square inch equals 1550.0031 lumens per square meter. This means to convert lumens per square inch to lumens per square meter, you multiply by 1550.0031.
Formula
Step-by-Step Example
Convert 5 lm/in² to lumens per square meter:
We need to convert lumens per square inch to lumens per square meter
Since 1 lm/in² = 1550.0031 lm/m², multiply by 1550.0031
5 × 1550.0031 = 7750.0155
5 lm/in² = 7750.0155 lm/m²
Lumen per Square Inch to Lumen per Square Meter Conversion Table
Quick reference table for common lumen per square inch to lumen per square meter conversions. Click any value for detailed calculation.
| Lumens per Square Inch (lm/in²) | Lumens per Square Meter (lm/m²) |
|---|---|
| 0.1 lm/in² | 155.00031 lm/m² |
| 0.5 lm/in² | 775.00155 lm/m² |
| 1 lm/in² | 1550.0031 lm/m² |
| 2 lm/in² | 3100.0062 lm/m² |
| 5 lm/in² | 7750.0155 lm/m² |
| 10 lm/in² | 15500.031 lm/m² |
| 25 lm/in² | 38750.0775 lm/m² |
| 50 lm/in² | 77500.155 lm/m² |
| 100 lm/in² | 155000.31 lm/m² |
About These Units
Lumen per Square Inch (lm/in²)
Lumens per square inch (lm/in²) equals 1,550 lux or 144 foot-candles. Used for high-intensity illumination of small areas: display lighting, inspection systems, and microscopy. One lm/in² = 144 lm/ft². Rarely used; lux or foot-candles preferred.
Lumen per Square Meter (lm/m²)
Lumens per square meter (lm/m²) is the defining formula for lux: illuminance equals luminous flux divided by area. One lux = one lumen per square meter. Used in lighting calculations: required lumens = lux × area. Essential for lighting design and energy efficiency.
Frequently Asked Questions
How do I convert lumens per square inch to lumens per square meter?
To convert lumens per square inch to lumens per square meter, multiply the value by 1550.0031. For example, 10 lm/in² = 15500.031 lm/m².
How many lumens per square meter are in 1 lumen per square inch?
1 lumen per square inch equals 1550.0031 lumens per square meter.
What is the formula for lumens per square inch to lumens per square meter?
The formula is: lm/m² = lm/in² × 1550.0031.